___ is the most useful invention?
#32091
A
Do you think which of these
B
Which of these you know
C
Which of these do you know
D
You know which of these
推荐题目
(2013·高考北京卷)I took my driving license with me on holiday，________I wanted to hire a car.
#30668
A
in case
B
even if
C
ever since
D
if only
Have you got the message I left with your father yesterday_______ you’ll have an important meeting tomorrow afternoon.
#34508
A
in which
B
with whom
C
that
D
which
—Have you got any idea for the summer vacation?—I don't mind where we go ________ there's sun，sea and beach.
#30684
A
as if
B
as long as
C
now that
D
in order that
______ and you will be admitted into your desired university.
#31818
A
If making one more effort
B
If you make one more effort
C
One more effort
D
To make one more effort
____________ many times, but he still couldn’t understand it.
#32349
A
Though he had been told
B
Having been told
C
Having told
D
He had been told